From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 8274614EC for ; Mon, 6 Feb 2017 11:19:40 +0100 (CET) Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A01918046B; Mon, 6 Feb 2017 10:19:40 +0000 (UTC) Received: from [10.36.117.90] (ovpn-117-90.ams2.redhat.com [10.36.117.90]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v16AJb5H022982 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 6 Feb 2017 05:19:39 -0500 To: "Tan, Jianfeng" References: Cc: "mst@redhat.com" , "Liu, Yuanhan" , "dev@dpdk.org" From: Maxime Coquelin Message-ID: <18ab1a23-095c-5970-92e2-e81b5a8d0ade@redhat.com> Date: Mon, 6 Feb 2017 11:19:36 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Mon, 06 Feb 2017 10:19:40 +0000 (UTC) Subject: Re: [dpdk-dev] vhost user MTU and promisc mode X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Feb 2017 10:19:40 -0000 Hi Jianfeng, On 02/06/2017 07:39 AM, Tan, Jianfeng wrote: > Hi Maxime, > > > > Have seen that you submit a feature in QEMU, commit c5f048d8fb69 > (“vhost-user: Add MTU protocol feature and op”). > > > > Appreciate your insights on: > > (1) Do you have plan to enable it in DPDK vhost user? Yes, I plan to propose this for v17.05 release. For vhost-user backend, the op is to notify the backend with the MTU value set in QEMU, so that it can ensure packets sent won't be bigger. > > (2) How about another similar feature, promisc mode enable/disable? This is ont something we have considered yet. Are you willing to work on it? Thanks, Maxime > > > Thanks, > > Jianfeng >